New England Patriots quarterback Tom Brady responds to a reporter's question during a media availability at the team's NFL football training facility in Foxborough, Mass., Wednesday, Dec. 12, 2012. The Patriots host the San Francisco 49ers on Sunday, Dec. 16. (AP Photo/Stephan Savoia)

New England Patriots quarterback Tom Brady responds to a reporter's question during a media availability at the team's NFL football training facility in Foxborough, Mass., Wednesday, Dec. 12, 2012. The Patriots host the San Francisco 49ers on Sunday, Dec. 16. (AP Photo/Stephan Savoia)

New England Patriots quarterback Tom Brady responds to a reporter's question during a media availability at the team's NFL football training facility in Foxborough, Mass., Wednesday, Dec. 12, 2012. The Patriots host the San Francisco 49ers on Sunday, Dec. 16. (AP Photo/Stephan Savoia)

New England Patriots quarterback Tom Brady walks out from behind a curtain as he enters a media availability at the team's NFL football training facility in Foxborough, Mass., Wednesday, Dec. 12, 2012. The Patriots host the San Francisco 49ers on Sunday, Dec. 16. (AP Photo/Stephan Savoia)

New England Patriots head coach Bill Belichick pauses before answering a reporter's question during a media availability at the team's NFL football training facility in Foxborough, Mass., Wednesday, Dec. 12, 2012. The Patriots host the San Francisco 49ers on Sunday, Dec. 16. (AP Photo/Stephan Savoia)

New England Patriots head coach Bill Belichick listen's to a reporter's question during a media availability at the team's NFL football training facility in Foxborough, Mass., Wednesday, Dec. 12, 2012. The Patriots host the San Francisco 49ers on Sunday, Dec. 16. (AP Photo/Stephan Savoia)

New England Patriots punter Zoltan Mesko (14) handles a ball during a walkthrough at NFL football practice, Wednesday, Dec. 12, 2012, in Foxborough, Mass. The Patriots are scheduled to host the San Francisco 49ers Sunday. (AP Photo/Stephan Savoia)

New England Patriots defensive end Trevor Scott (99) throws a ball during a walkthrough at NFL football practice, Wednesday, Dec. 12, 2012, in Foxborough, Mass. The Patriots are scheduled to host the San Francisco 49ers Sunday. (AP Photo/Stephan Savoia)

New England Patriots defensive end Rob Ninkovich (50) appears for a walkthrough at NFL football practice, Wednesday, Dec. 12, 2012, in Foxborough, Mass. The Patriots are scheduled to host the San Francisco 49ers Sunday. (AP Photo/Stephan Savoia)

New England Patriots offensive coordinator Josh McDaniels, left, and wide receiver Brandon Lloyd (85) laugh as they enter a walkthrough at NFL football practice, Wednesday, Dec. 12, 2012, in Foxborough, Mass. The Patriots are scheduled to host the San Francisco 49ers Sunday. (AP Photo/Stephan Savoia)

New England Patriots running back Brandon Bolden, center, talks with defensive tackle Ron Brace, right, and offensive lineman Jeremiah Warren during a walkthrough at NFL football practice, Wednesday, Dec. 12, 2012, in Foxborough, Mass. The Patriots are scheduled to host the San Francisco 49ers Sunday. (AP Photo/Stephan Savoia)

New England Patriots offensive coordinator Josh McDaniels, left, and wide receiver Brandon Lloyd (85) laugh as they enter a walkthrough at NFL football practice, Wednesday, Dec. 12, 2012, in Foxborough, Mass. The Patriots are scheduled to host the San Francisco 49ers Sunday. (AP Photo/Stephan Savoia)

New England Patriots cornerback Aqib Talib (31) talks with a teammate during a walkthrough at NFL football practice, Wednesday, Dec. 12, 2012, in Foxborough, Mass. The Patriots are scheduled to host the San Francisco 49ers Sunday. (AP Photo/Stephan Savoia)